Open Source Developer Tools

Alternative toVercel AI SDK

Add in-app AI copilot chat and actions to any React application

• 38,138 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toHeroku

Self-hosted PaaS to deploy apps and databases across multiple servers

• 37,935 GitHub stars

Alternative toBrowserbase

Headless browser for AI agents: 9x faster than Chrome, built in Zig

• 36,787 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #AI Agents

Alternative toElement

Peer-to-peer encrypted chat over Bluetooth mesh network

• 36,662 GitHub stars
• UnlicenseLicence Unlicense
• #Chat

Alternative toGitHub Copilot

Connect any LLM to VS Code for AI completions and codebase chat

• 36,273 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toClaude Code

A coding agent with the IDE wired in

• 36,029 GitHub stars
• MITLicence MIT

InAI & Machine Learning

Decensor local LLMs automatically with directional ablation

• 36,002 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #LLM

Alternative toClaude Code

Open-source AI coding agent you can leave running locally.

• 35,882 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toABBYY FineReader PDF

Make scanned PDFs searchable and copy-pasteable in one command.

• 35,105 GitHub stars
• MPL-2.0Licence MPL-2.0

Alternative toGlean

Self-hosted knowledge base with RAG search, AI agent, and wiki

• 34,874 GitHub stars
• MITLicence MIT
• #LLM

InWeb Development

Fast JavaScript/TypeScript compilation and bundling

• 34,211 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toGitHub Copilot

Self-hosted AI coding assistant server for private team deployment

• 33,889 GitHub stars
• Apache-2.0Licence Apache-2.0